29 lines
644 B
Fish
29 lines
644 B
Fish
#!/bin/env fish
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function confirm -a message default
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set -l options (echo "[y/n]" | string replace $default (string upper $default))
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while true
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read -l value -P "$message $options "
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or exit 1
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set value (string lower "$value")
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if [ -z "$value" ]
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set value $default
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end
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if contains "$value" "0" "false" "n" "no"
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false
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return
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end
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if contains "$value" "1" "true" "y" "yes"
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true
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return
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end
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echo "The specified value `$value` is invalid!"
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echo "Please try again"
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end
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end
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confirm $argv
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